Answer:
No idea
Step-by-step explanation:
The probability of randomly selecting a tree or a flower is 8/15.
<h3>What is the probability?</h3>
Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.
The probability of randomly selecting a tree or a flower = (number of trees / total number of flash cards) + (number of flowers / total number of flash cards)
8/30 + 8/30 = 16/30 = 8/15
To learn more about probability, please check: brainly.com/question/13234031
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Answer: 6/5 and -6/5
Step-by-step explanation: In order to solve this problem, we want to get the variable on one side. In order to do that, we must do the following:
Add 36 on Both Sides:

Divide 25 on Both Sides:

Take the square root of Both Sides:

That means your answer is:
, or 
I honestly dont know, the only idea I have is to divide 1800 by 4 to see how much.